C the content is current but It might be D
Answer:
The right answer is Option A. It filters the blood that is used by the excretory system.
Explanation:
The endocrine system has great affect on the excretory system. It gives massages to the excretory system. When the amount of water is exceed in the body, the endocrine system send massage to the excretory system to produce more urine. And when the body has less amount of water, the
endocrine system send massage to the excretory system to produce less urine.
Because migration and and other seasonal movements can affect the possibility of finding a mate, stresses, that could affect offspring survival(can vary with season), and also availability of thing that are available for the offspring.
